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A construction of a minimal SPI master.

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- NOTE: This is an optional feature, not built by default. Not included
  in the tk1 for sale at Tillitis shop.
- This makes it possible to interface the SPI flash onboard TKey.
- To include the SPI master in the build, use `make application_fpga.bin
  YOSYS_FLAG=-DINCLUDE_SPI_MASTER`.

Signed-off-by: Joachim Strömbergson <joachim@assured.se>
This commit is contained in:
Joachim Strömbergson 2023-05-16 16:14:21 +02:00 • committed by dehanj
parent eade3e11c5
commit 3bc2453287
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GPG key ID: 3707A9DBF4BB8F1A
9 changed files with 506 additions and 3 deletions
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7
hw/application_fpga/data/application_fpga_tk1.pcf
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@ -18,6 +18,13 @@ set_io interface_tx 25
# set_io interface_rts 28
# SPI master to flash memory.
set_io spi_miso 17
set_io spi_sck 15
set_io spi_ss 16
set_io spi_mosi 14
# Touch sense.
set_io touch_event 6